package com.lanzx.gulimall.product.exception;

import com.lanzx.gulimall.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.validation.Valid;
import java.util.HashMap;
import java.util.Map;

/**
 * @author: lanzx
 * @description: 集中处理所有异常
 * @date: 2020/8/25 17:45
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.lanzx.gulimall.product.controller")
@RestControllerAdvice(basePackages = "com.lanzx.gulimall.product.controller")
public class ExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题：{},异常类型{}",e.getMessage(), e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String, String > map = new HashMap<>();
        result.getFieldErrors().forEach((item) -> {
            String message = item.getDefaultMessage();
            String field = item.getField();
            map.put(field, message);
        });
        return R.error(400, "提交的数据不合法").put("data",map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("错误：",throwable);
        return R.error();
    }
}
